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- Thu Jun 13, 2019 6:40 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Colors and Magnitudes of M13 (2019 Jun 13)
- Replies: 14
- Views: 6957
Re: APOD: The Colors and Magnitudes of M13 (2019 Jun 13)
A question, SVP: Lovely photo, but how many of the “several hundreds of thousands” of stars can be individually analyzed and converted into data points in the H-R diagram? Surely not even one of several hundreds of thousands. Sooo.... how can they be sure they have a representative sample? Couldn’t ...